CN113776881A - Agricultural environment sampling device for soil detection - Google Patents
Agricultural environment sampling device for soil detection Download PDFInfo
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- CN113776881A CN113776881A CN202111198849.0A CN202111198849A CN113776881A CN 113776881 A CN113776881 A CN 113776881A CN 202111198849 A CN202111198849 A CN 202111198849A CN 113776881 A CN113776881 A CN 113776881A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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Abstract
The invention discloses a sampling device for agricultural environment soil detection, which comprises a rack, a drilling mechanism, a lifting platform and a sampling mechanism, wherein the lifting platform and the sampling mechanism are arranged on the rack in a lifting way, the drilling mechanism comprises a drill floor arranged on the rack and a hollow drill pipe which is connected to the drill floor in a threaded way, the lower end of the hollow drill pipe penetrates through the drill floor, a sampling opening is formed in the center of the hollow drill pipe, the lifting platform is in sliding insertion connection with a guide pillar and is in rotating connection with the hollow drill pipe, a drilling motor for driving the hollow drill pipe to rotate is arranged on the lifting platform, the sampling mechanism comprises a sampling cup column, an electric cylinder, an electric telescopic pressure rod, a sampling support and a cup taking mechanism, the sampling cup column is arranged on the sampling support, the upper end of the sampling support is connected to the telescopic rod end of the electric cylinder, and the cup opening of the sampling cup at the lowest end is communicated with the sampling opening during sampling. The invention gives consideration to the convenience of sampling and the intact structure preservation of soil in the sampling process when the multi-depth soil sample is collected.
Description
Technical Field
The invention particularly relates to a sampling device for agricultural environment soil detection.
Background
With the popularization of scientific planting technology, the collection of various environmental parameters of farmlands is more and more important in the aspect of agricultural planting, wherein parameters such as soil components, structures and the like are also very important reference parameters in the aspects of selecting the types of planted crops and planting methods. The problem that the existing multiple sampling devices for sampling and detecting soil are difficult to solve is that the equipment for sampling soil in multiple depths cannot give consideration to the sampling convenience and the requirement that the soil is well preserved in the sampling process. If the soil sample that can gather a plurality of depths through a drilling when sampling to soil is adopted, generally the mode of scraping from the side behind the drilling or inhaling surrounding soil obtains the soil sample, all can actually destroy the structure of soil at drilling process and the process of scraping and inhaling soil like this, leads to upper and lower layer soil to mix or same layer soil is broken up, still can let soil structure extrusion serious. And current sampling tool that can reduce soil structure and change inserts the sample around the sampling region and excavates the structure, then takes out soil sample from the bottom closure, but this kind of mode is difficult to get the soil sample of deeper department, if will get the soil sample of depths and need get rid of upper soil earlier, current type sampling device that changes is very inconvenient to deep soil sample collection operation, wastes time and energy, more or less to the collection of many degree of depth soil samples.
Disclosure of Invention
The invention aims to provide a sampling device for agricultural environment soil detection, which is used for solving the technical problems that the prior art cannot give consideration to the sampling convenience and the intact structure preservation of soil in the sampling process during multi-depth soil sample collection.
The agricultural environment soil detection sampling device comprises a rack, a drilling mechanism, a lifting table and a sampling mechanism, wherein the lifting table and the sampling mechanism are arranged on the rack in a lifting way, the drilling mechanism comprises a drill floor arranged on the rack and a hollow drill pipe connected to the drill floor in a threaded way, the lower end of the hollow drill pipe penetrates through the drill floor, a sampling opening is formed in the center of the hollow drill pipe, the lifting table is in sliding insertion connection with a guide pillar vertically arranged on the rack and is in rotating connection with the hollow drill pipe, a drilling motor for driving the hollow drill pipe to rotate is arranged on the lifting table, the sampling mechanism comprises a sampling cup row, an electric cylinder, an electric telescopic pressure rod, a sampling support and a cup taking mechanism, the sampling cups are formed by a plurality of sampling cups which are in butt connection from top to bottom in an end-to-end mode, the cup mouths of the sampling cups are all downwards arranged and provided with elastic opening and closing doors, and the sampling cup row is arranged on the sampling support, the upper end of the sampling support is connected to a telescopic rod end of the electric cylinder, the lower end of the electric telescopic pressure rod is pressed at the top of the sampling cup row, the sampling support comprises a main support located on the upper portion and a lower end support only connected with a sampling cup at the lowest end, a rotating motor is installed on the outer side of the main support, the output end of the rotating motor is connected with the lower end support, at least two sampling cups can be accommodated in a pipe inner cavity of the hollow drill pipe in the same layer arrangement, the cup taking mechanism comprises a lifter, a lifting guide rail and a plug board, the lifting guide rail is arranged on the inner side of the pipe inner cavity, the plug board is installed at the lifting end and is in sliding connection with the lifting guide rail, the plug board is in plug connection with the sampling cup at the lowest end which is rotated to the outer side of the main support, and a cup opening of the sampling cup at the lowest end is communicated with the sampling opening hole during sampling.
Preferably, the main support includes the main connecting rod and the C type elasticity staple bolt that evenly sets up from top to bottom, C type elasticity staple bolt with sample cup one-to-one sets up and overlaps in the sample cup outside that corresponds, it is protruding that the sample cup outside is equipped with the wedge, the correspondence is located to the wedge arch the position and the pointed end of C type elasticity staple bolt are down, the bellied upper end of wedge supports below the C type elasticity staple bolt.
Preferably, the lower end support comprises a fixing ring and a lower connecting rod which are sleeved outside the sampling cup at the lowest end, the centers of the fixing ring and each C-shaped elastic hoop are located on the axis of the sampling cup row, the fixing ring is blocked below the wedge-shaped bulge, the rotating motor is installed on the main connecting rod, and the lower connecting rod is vertically and fixedly connected with the output shaft of the rotating motor.
Preferably, the outer side of the sampling cup is provided with an insertion groove with an annular structure, one side of the insertion plate extending out is provided with an arc surface insertion edge, the rotation of the rotating motor drives the arc surface insertion edge to be horizontally inserted and connected with the insertion groove, and the insertion groove is higher than the wedge-shaped protrusion.
Preferably, the insertion groove is composed of a wedge-shaped protrusion of an annular structure and a connecting convex ring arranged above the wedge-shaped protrusion, and the radial extension distance of the connecting convex ring is smaller than the radial extension distance of the upper end of the wedge-shaped protrusion.
Preferably, the pipe inner chamber of hollow drill pipe can hold two sampling cups and set up with the layer, be equipped with the upper bracket on the elevating platform, the deflector is installed to the upper bracket, the deflector middle part is equipped with the slide that the fore-and-aft direction extends, the slide both ends extend to preceding fixed station and after-fixing platform respectively, preceding fixed station with the after-fixing platform is all fixed on the deflector, slidable mounting has the slip table on the slide, the electric cylinder with the electronic flexible depression bar is all installed on the slip table, elastic element with elevating guide is located respectively the both sides of sample support, when the sample, preceding fixed station with one in the after-fixing platform will through elastic element the slip table is pressed in another side in the two.
Preferably, the inner cavity of the hollow drill pipe can accommodate at least three sampling cups arranged on the same layer, the lifting platform is provided with an upper support, the upper support is provided with an installation platform, the electric cylinder and the electric telescopic pressure rod are both installed on the installation platform, and the sampling cup row is located at the center of the hollow drill pipe.
Preferably, the elasticity open and shut the door with the connection can be dismantled to the rim of a cup of sample cup, include along a plurality of radial shroudings and the collar that circumference evenly arranged, but radial shrouding is connected as an organic wholely through elasticity flexion and collar, radial shrouding is fan-shaped, radially stretches out towards the center under natural state and folds and press and seal together the rim of a cup, sampling trompil upside is equipped with a plurality of L type spares, L type spare one end is connected the intraductal intracavity side lets L type spare radially inwards stretches out, and the other end upwards stretch out with radial shrouding is relative and can jack-up radial shrouding.
The invention has the following advantages: this scheme takes inside and outside bilayer structure, and the outside is drilling mechanism, utilizes the drilling of central drill pipe to part sampling area and the outside that the trompil corresponds, and soil outside part through spiral plate and screw during drilling, and is less to sampling area's soil influence, can not produce obvious extrusion effect, and is less to soil structure destruction, and sampling cup is sharp inserting simultaneously, therefore its inner wall also can not stir by the soil of gathering, has protected soil structure equally.
And in order to realize many degree of depth soil collection on the basis of aforementioned ground protection soil structure, the sampling cup that inboard sampling mechanism adopted special construction's sampling support and sampling cup to connect formation from top to bottom is listed as, the installation is arranged more reliably vertically to C type elasticity staple bolt effectively guarantees each sampling cup, and the sampling cup is listed as and moves down along the sampling support under the effect of electronic flexible depression bar in this scheme, the protruding setting of sampling cup outside wedge can guarantee that the sampling cup is listed as and is in stable connected state again after moving down, the sampling cup can not upwards ejecting by soil, the sampling process is reliable and stable.
The setting of inserting groove and cup taking mechanism makes in this scheme the sample cup be listed as on the one hand with the sampling leg joint reliable, cooperation rotating electrical machines can accomplish the effect that the lower extreme sample cup moved outward and was taken cup mechanism to rise and take out, this process is not influenced by the core drill pipe to can reserve the space that lets the sample cup be listed as further decline for next collection soil sample. The elasticity that the sampling cup adopted simultaneously opens and shuts the door and then can guarantee to shift the process that breaks away from the taper drill bit again with the sampling cup and just can let sampling cup self-sealing, avoids the soil sample to spill from the rim of a cup. The L-shaped part on the upper part of the sampling opening can automatically jack the elastic opening-closing door when the sampling cup row is lowered, so that the sampling cup at the lowest end is communicated with the sampling opening, the operation of a user is facilitated, and the control structure is reduced.
Drawings
Fig. 1 is a schematic structural view of a sampling device for agricultural environment soil detection according to the present invention.
Fig. 2 is a schematic structural diagram of the structure shown in fig. 1 from another view angle.
Fig. 3 is a right side view of the structure shown in fig. 1.
Fig. 4 is a top view of the structure shown in fig. 2.
Fig. 5 is a front view of the structure shown in fig. 1.
Fig. 6 is a cross-sectional view taken in the direction a-a of the structure shown in fig. 5.
Fig. 7 is an enlarged view of region a in the structure shown in fig. 6.
Fig. 8 is an enlarged view of region B in the structure shown in fig. 6.
The labels in the figures are: 1. the device comprises a rack, 2, a drilling mechanism, 201, a hollow drill pipe, 202, a sampling hole, 203, an L-shaped part, 204, a spiral plate, 205, a conical drill bit, 206, a big gear ring, 207, a pinion, 208, a drilling motor, 209, a drill floor, 3, a lifting platform, 301, a guide pillar, 302, an upper bracket, 303, a guide plate, 304, a rear fixing platform, 305, a front fixing platform, 306, a sliding platform, 307, a spring, 4, a sampling mechanism, 401, an electric telescopic pressure rod, 402, an electric cylinder, 403, a winch, 404, a lifting guide rail, 405, a plug board, 406, a sampling bracket, 4061, a main bracket, 4062, a lower end bracket, 4063, a rotating motor, 4064, a C-shaped elastic hoop, 4065, a fixing ring, 407, a sampling cup column, 4071, a connecting ring, 4072, a plug groove, 4073, a wedge-shaped bulge, 4074, an elastic opening and a cup mouth.
Detailed Description
The following detailed description of the present invention will be given in conjunction with the accompanying drawings, for a more complete and accurate understanding of the inventive concept and technical solutions of the present invention by those skilled in the art.
As shown in fig. 1-8, the invention provides a sampling device for agricultural environment soil detection, comprising a frame 1, a drilling mechanism 2, a lifting platform 3 and a sampling mechanism 4, wherein the lifting platform 3 and the sampling mechanism 4 are arranged on the frame 1 in a lifting way, the drilling mechanism 2 comprises a drill platform 209 arranged on the frame 1 and a hollow drill pipe 201 in threaded connection with the drill platform 209, the lower end of the hollow drill pipe 201 passes through the drill platform 209 and is provided with a conical drill bit 205, the center of the conical drill bit 205 is provided with a sampling opening 202, the lifting platform 3 is in sliding insertion connection with a guide post 301 vertically arranged on the frame 1 and is in rotating connection with the hollow drill pipe 201, the lifting platform 3 is provided with a drilling motor 208 for driving the hollow drill pipe 201 to rotate, the sampling mechanism 4 comprises a sampling cup column 407, an electric cylinder 402, an electric telescopic press rod 401, a sampling support 406 and a cup taking mechanism, the sampling cup column 407 is composed of a plurality of sampling cups connected in an abutting connection from top to bottom, the cup mouths 4075 of the sampling cups are all arranged downwards and provided with elastic opening and closing doors 4074, the sampling cup rows 407 are installed on the sampling support 406, the upper end of the sampling support 406 is connected to the telescopic rod end of the electric cylinder 402, the lower end of the electric telescopic pressure rod 401 is pressed on the tops of the sampling cup rows 407, the sampling support 406 comprises a main support 4061 positioned on the upper part and a lower support 4062 only connected with the sampling cup at the lowest end, a rotating motor 4063 is installed on the outer side of the main support 4061, the output end of the rotating motor 4063 is connected with the lower support 4062 to drive the lower support 4062 to rotate to the position positioned on the outer side of the main support 4061, the pipe inner cavity of the hollow drill pipe 201 can at least accommodate two sampling cups arranged in the same layer and is provided with a top opening for the sampling cups and the sampling cup rows 407 to enter and exit simultaneously, the cup taking mechanism comprises a lifter, a lifting guide rail 404 and a plug board 405, the lifting guide rail 404 is arranged on the inner side of the inner cavity of the pipe, the plug board 405 is installed at the lifting end and is in sliding connection with the lifting guide rail 404, the plug board 405 is in plug connection with the sampling cup at the lowest end which is rotated to the outer side of the main support 4061, and the cup mouth 4075 of the sampling cup at the lowest end is communicated with the sampling opening 202 during sampling. The sampling cups in the sampling cup row can transfer pressure generated by abutting in the vertical direction, the axes of the sampling cups are kept coincident in a general state, and the sampling cups can move horizontally relatively to realize separation when receiving horizontal acting force.
Lower extreme support 4062 is including the solid fixed ring 4065 and the lower connecting rod of cover in the sampling cup outside of lower extreme, and the center of solid fixed ring 4065 and each C type elasticity staple bolt is located same vertical line, coincides with the axis of sampling cup row promptly, gu fixed ring 4065 down the connecting rod with the main connecting rod is rigid structure, gu fixed ring 4065 keeps off below the wedge arch 4073, it installs to rotate motor 4063 on the main connecting rod, the lower connecting rod through horizontal extension with the perpendicular fixed connection of output shaft that rotates motor 4063. The wedge-shaped protrusion 4073 is of an annular structure and is arranged around the outer wall of the sampling cup in a surrounding mode, and the section of the wedge-shaped protrusion 4073 is wedge-shaped. This kind of structure can follow upper and lower both ends through the cooperation of C type elasticity staple bolt and solid fixed ring 4065 and clip fixedly to sampling cup row 407, guarantees sampling cup row 407 stability and reliability in lift and sample process, avoids solitary sampling cup to drop or extruded.
An insertion groove 4072 with an annular structure is arranged on the outer side of the sampling cup, an arc surface insertion edge is arranged on one side, extending out of the insertion plate 405, of the sampling cup at the lowest end, the sampling cup at the lowest end is lifted and then rotated to a position where the arc surface insertion edge is separated from a coverage area of the sampling cup column by the rotating motor 4063, the arc surface insertion edge is driven by rotation of the rotating motor 4063 to be horizontally inserted and connected with the insertion groove 4072, the insertion groove 4072 is higher than the wedge-shaped protrusion 4073 and the fixing ring 4065, and an arc-shaped side surface of the arc surface insertion edge is matched with a track, passing through the outermost point, of the bottom of the insertion groove 4072 along with rotation of the rotating motor 4063. Thus, when the rotating motor 4063 rotates the lower end support 4062, the sampling cup which can be placed at the corresponding lowest end is connected to the insertion board 405 in a rotating insertion manner, so that the sampling cup at the lowest end which is connected in an insertion manner can be directly lifted to a high place by the elevator without affecting the lower end support 4062 and taken out. The radial extension distance of the connecting convex ring is smaller than the radial extension distance of the upper end of the wedge-shaped protrusion 4073, the insertion groove 4072 consists of the wedge-shaped protrusion 4073 of the annular structure and the connecting convex ring arranged above the wedge-shaped protrusion 4073, and the C-shaped elastic hoop can abut against the wedge-shaped protrusion 4073 with more protruding parts and also abut against the upper side of the connecting ring 4071 according to different arrangement structures.
Be equipped with upper bracket 302 on elevating platform 3, upper bracket 302 installs deflector 303, deflector 303 both ends are fixed with preceding fixed station 305 and after-fixing platform 304 respectively, deflector 303 middle part is equipped with the slide that the fore-and-aft direction extends, the slide both ends extend to preceding fixed station 305 and after-fixing platform 304 respectively, slidable mounting has slip table 306 on the slide, electric cylinder 402 with electric telescopic pressure bar 401 is all installed on the slip table 306, elastic element with lift guide rail 404 is located respectively the both sides of sample support 406, when the sample, one in preceding fixed station 305 and the after-fixing platform 304 will through elastic element slip table 306 presses another side in the two. For example, in this embodiment, the elastic element is a spring 307 and is disposed between the front fixing platform 305 and the sliding platform 306, the rear fixing platform 304 is provided with a winding machine 403 as a power source in the elevator, when sampling, the sliding platform 306 is pressed on the front side of the rear fixing platform 304, at this time, the sampling cup row 407 is located at the center of the hollow drill pipe 201, and after lowering, the cup mouth 4075 of the sampling cup at the lowest end can communicate with the sampling opening 202 for sampling. The smaller tube cavity of the embodiment can only accommodate two sampling cups arranged in the same layer, and after the sampling cup row 407 is lifted to a position higher than the conical drill bit, the sampling cup at the lowest end is rotated out together with the rotating motor 4063, which can press the sampling support 406 and the sliding table 306 to move forward, then the elevator lifts the sampling cup at the lowest end connected with the plug board 405 to be taken out, and the sliding table 306 does not press the sampling support 406 when the lifted sampling cup is lifted to be taken out, the spring 307 can press the sliding table 306 to the rear fixed table 304, and the resetting of the sampling support 406, namely the sampling cup row 407 is completed.
If the hollow drill pipe 201 is large enough to accommodate three or more sampling cups on the same floor, the sliding table 306 is not required to be arranged in the scheme, the guide plate 303 is directly taken as an installation table, the electric cylinder 402 and the electric telescopic pressure rod 401 are installed on the installation table, the sampling cup column is ensured to be positioned at the center of the hollow drill pipe 201, at the moment, after the sampling cup at the lowest end is rotated out by rotating the motor 4063, the residual space on the side in the pipe inner cavity can also accommodate the rotated sampling cup, and then the sampling cup at the lowest end connected with the insertion plate 405 in an inserting mode can be directly lifted and taken out through the lifter. However, this structure requires a thicker hollow drill pipe 201, so that the actually adopted structure is selected according to the size of the sampling cup and the compactness of the soil, and under the condition that the sampling cup is thicker or the soil is difficult to drill, the structure with the smaller hollow drill pipe 201 adopted in the embodiment can be used for drilling conveniently, otherwise, the structure with the larger hollow drill pipe 201 can be used.
Elastic opening and closing door 4074 with the connection can be dismantled to the rim of a cup 4075 of sampling cup, include along a plurality of radial shroudings and the collar of circumference evenly arranged, but radial shrouding is connected as an organic wholely through elasticity flexion and collar, radial shrouding is fan-shaped, radially stretches out towards the center under natural state and the stack closes rim of a cup 4075, sampling trompil 202 upside is equipped with a plurality of L type spares, L type spare one end is connected the intraductal intracavity side lets L type spare radially inwards stretches out, and the other end upwards stretch out with radial shrouding is relative, presses as the sampling cup of bottommost the toper drill bit 205 lower extreme, L type spare upwards will radial shrouding jack-up, thereby open rim of a cup 4075 makes it communicate with the sampling trompil.
An output shaft of a drilling motor 208 arranged on the lifting platform 3 extends downwards to penetrate through the lifting platform 3, a pinion 207 is arranged at the end part of the output shaft, a large gear ring 206 is sleeved at the outer side of the position, located at the lower part of the lifting platform 3, of the upper end of the hollow drill pipe 201, and the large gear ring 206 is meshed with the pinion 207, so that the drilling motor 208 drives the hollow drill pipe 201 to rotate, and meanwhile, the movement of the electric cylinder 402, the electric telescopic pressure rod 401 and the lifter is not influenced. Simultaneously be equipped with the spiral plate 204 in the outside of conical drill bit 205, utilize the effect of lifting outside soil to make things convenient for hollow drill pipe 201 to drill when spiral plate 204 rotates, similarly, the outside screw thread of hollow drill pipe 201 extends to conical drill bit 205 department purpose also including utilizing the effect of lifting outside soil to reduce drilling resistance when the screw thread rotates, makes things convenient for drilling.
The using process of the invention is as follows: the sampling device provided by the scheme is moved to a sampling point ready for multi-depth sampling, a vehicle body is fixed after the position is matched, each part is checked to be located at an initial position, then a sampling support on the output end of the electric cylinder 402 is dismounted, sampling cups provided with elastic opening and closing doors 4074 are mounted in a corresponding C-shaped elastic hoop in a state that cup mouths 4075 face downwards, the sampling cups at the lowest end are mounted on a connecting ring 4071 in a similar state, the sampling cups at the uppermost end are pressed downwards to enable the sampling cups to be abutted end to form a row of sampling cup rows 407, then the sampling support 406 is mounted at the output end of the starting electric cylinder 402, and at the moment, the sampling cup rows 407 extend into the center of the hollow drill pipe 201. And then the electric telescopic pressure rod 401 and the electric cylinder 402 are started, so that the sampling cup column 407 is pressed to be abutted against the lower end of the conical drill bit 205, the radial sealing plate is jacked up by the L-shaped piece, and the cup mouth 4075 at the lowest end in the sampling cup column 407 is opened and communicated with a sampling opening, so that soil can enter the sampling opening to realize sampling. The lifting end of the lifter is connected to the plug board 405 and is disposed at the lower end of the inner cavity of the tube, which is short of the position of the cone-shaped drill 205.
Then the sampling motor is started to drive the hollow drill pipe 201 to rotate, under the constraint of the threaded hole and the two guide posts 301 on the drill floor 209, the hollow drill pipe 201 rotates downwards to realize the effects of drilling and discharging surrounding soil, correspondingly, the soil part opposite to the sampling opening 202 enters the sampling cup from the sampling opening 202, when the sampling cup descends to pass through the sampling depth, the soil with the corresponding depth is sampled into the sampling cup, the soil outside the sampling area is drilled in the process, but the extrusion and friction effects on the soil in the sampling cup are small, the soil structure can be basically maintained, a large amount of soil is not mixed with other layers of soil, and the soil cannot be scattered to other sampling cups which are not sampled (the sampling cup does not include the soil outside in the sampling range). After sampling at a depth, the sampling cup is lifted by the electric cylinder 402 through the sampling support 406 (the electric telescopic pressure rod 401 is synchronously contracted), so that the sampling cup reaches an area with enough space for accommodating at least two sampling cups arranged on the same layer, the radial sealing plate is reset under the action of the elastic bendable part in the process to seal the cup mouth 4075, the collected soil sample falls on the elastic opening and closing door 4074 in the process, and the soil structure is not changed.
Then the rotating motor 4063 is started, the lower end support 4062 which originally fixes the sampling cup at the lowest end is rotated to the outer side of the main support 4061, the inserting groove 4072 at the outer side of the sampling cup is connected with the inserting plate 405 in an inserting mode, then the inserting plate 405 and the sampling cup at the lowest end connected with the inserting plate are lifted by the lifter, when the sampling cup reaches or is higher than the upper end of the hollow drill pipe 201, the sampling cup is taken out, and the main support 4061 and the rest sampling tubes are taken out and returned to the center of the hollow drill pipe 201. Then, the electric telescopic pressure rod 401 is pressed down, the wedge-shaped protrusion 4073 pushes the C-shaped elastic hoop to move down by the height of one sampling cup, the sampling cup row 407 is installed again, a new sampling cup at the lowest end is provided, and the sampling cup can be communicated with the sampling opening after the electric cylinder 402 lowers the sampling support 406 again, so that the soil at the deeper next depth can be repeatedly sampled. Before or after the electric cylinder 402 and the electric telescopic pressure rod 401 are lowered to the sampling cup row 407, the elevator is also reset to lower the plugging plate 405 to an initial position to wait for the next rotary plugging.
After the soil at all depths is sampled, the drilling motor 208 is reversed to raise the entire hollow drill pipe 201 and the sampling mechanism thereon to prepare for the next sampling point. And the soil sample that gathers through this device still keeps the state that the sampling cup was invertd when taking out again, then fixes elasticity shutter 4074, takes off the sampling cup of top, and the soil sample that leaves just keeps the structure when gathering piles up on elasticity shutter 4074. If loose or comparatively dry difficult to keep piling up the state of soil sample material, then will take the rim of a cup 4075 of sample cup up, get the soil sample that the upper and lower floor structure is opposite with the actual soil structure of gathering just after taking off elasticity switching door 4074, but this structural change is predictable, does not mix or is broken up, does not have more obvious extrusion effect yet, consequently still can satisfy the needs that detect soil structure, has solved the technical problem that this paper provided.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution of the invention, or to apply the inventive concept and solution directly to other applications without modification.
Claims (8)
1. The utility model provides an agricultural environment sampling device for soil detection, includes frame (1), drilling mechanism (2), liftable install elevating platform (3) and sampling mechanism (4) on frame (1), drilling mechanism (2) are including installing rig floor (209) and threaded connection on frame (1) hollow drill pipe (201) on rig floor (209), the lower extreme of hollow drill pipe (201) passes rig floor (209) and center are equipped with sampling trompil (202), elevating platform (3) with guide pillar (301) the slip grafting of perpendicular installation on frame (1) and with hollow drill pipe (201) rotate to be connected, be equipped with the drive on elevating platform (3) hollow drill pipe (201) pivoted drilling motor (208), sampling mechanism (4) are including sampling cup row (407), electric cylinder (402), electronic flexible depression bar (401), The sampling cup device comprises a sampling support (406) and a cup taking mechanism, wherein a sampling cup array (407) is composed of a plurality of sampling cups which are abutted and connected end to end from top to bottom, cup mouths (4075) of the sampling cups are all arranged downwards and provided with elastic opening and closing doors (4074), the sampling cup array (407) is installed on the sampling support (406), the upper end of the sampling support (406) is connected to a telescopic rod end of an electric cylinder (402), the lower end of an electric telescopic pressure rod (401) is pressed at the top of the sampling cup array (407), the sampling support (406) comprises a main support (4061) positioned at the upper part and a lower support (4062) only connected with the sampling cup at the lowest end, a rotating motor (4063) is installed on the outer side of the main support (4061), the output end of the rotating motor (4063) is connected with the lower support (4062), and the inner cavity of the hollow drill pipe (201) can at least accommodate two sampling cups, the cup taking mechanism comprises a lifter, a lifting guide rail (404) and a plug board (405), the lifting guide rail (404) is arranged on the inner side of the inner cavity of the pipe, the plug board (405) is installed at the lifting end and is in sliding connection with the lifting guide rail (404), the plug board (405) is in plug connection with a sampling cup which is rotated to the lowest end of the outer side of the main support (4061), and a cup mouth (4075) of the sampling cup at the lowest end is communicated with the sampling opening hole (202) during sampling.
2. The agricultural environment sampling device for soil detection of claim 1, wherein: main support (4061) include main connecting rod and the C type elasticity staple bolt that evenly sets up from top to bottom, C type elasticity staple bolt with sample cup one-to-one sets up and overlaps in the sample cup outside that corresponds, the sample cup outside is equipped with wedge arch (4073), the correspondence is located in wedge arch (4073) the position and the pointed end of C type elasticity staple bolt are down, the upper end of wedge arch (4073) supports below the C type elasticity staple bolt.
3. The agricultural environment sampling device for soil detection of claim 2, wherein: lower extreme support (4062) including the cover at solid fixed ring (4065) and the lower connecting rod in the sampling cup outside of lower extreme, gu fixed ring (4065) and the center of each C type elasticity staple bolt are located on the axis of sampling cup row, gu fixed ring (4065) keep off below wedge-shaped arch (4073), install rotation motor (4063) on the main connecting rod, down the connecting rod with the perpendicular fixed connection of output shaft of rotation motor (4063).
4. The agricultural environment sampling device for soil detection of claim 3, wherein: an insertion groove (4072) of an annular structure is arranged on the outer side of the sampling cup, an arc surface insertion edge is arranged on one side, extending out of the insertion plate (405), of the rotary motor (4063) drives the arc surface insertion edge to be horizontally inserted and connected with the insertion groove (4072), and the position of the insertion groove (4072) is higher than that of the wedge-shaped protrusion (4073).
5. The agricultural environment sampling device for soil detection of claim 4, wherein: the inserting groove (4072) is composed of a wedge-shaped protrusion (4073) of an annular structure and a connecting convex ring arranged above the wedge-shaped protrusion (4073), and the radial extending distance of the connecting convex ring is smaller than that of the upper end of the wedge-shaped protrusion (4073).
6. The agricultural environment soil testing sampling device of any one of claims 1-5, wherein: the inner cavity of the hollow drill pipe (201) can accommodate two sampling cups arranged in the same layer, the lifting platform (3) is provided with an upper bracket (302), the upper bracket (302) is provided with a guide plate (303), the middle part of the guide plate (303) is provided with a slideway extending in the front-back direction, the two ends of the slide way respectively extend to the front fixed station (305) and the rear fixed station (304), the front fixing table (305) and the rear fixing table (304) are both fixed on the guide plate (303), a sliding table (306) is slidably arranged on the sliding way, the electric cylinder (402) and the electric telescopic pressure rod (401) are both arranged on the sliding table (306), the elastic element and the lifting guide rail (404) are respectively positioned at two sides of the sampling bracket (406), when sampling, one of the front fixing table (305) and the rear fixing table (304) presses the sliding table (306) on the side of the other one of the front fixing table and the rear fixing table through an elastic element.
7. The agricultural environment soil testing sampling device of any one of claims 1-5, wherein: the pipe inner chamber of core drill pipe (201) can hold at least three sampling cup and set up with one layer, be equipped with upper bracket (302) on elevating platform (3), the mount table is installed in upper bracket (302), electric cylinder (402) with electronic flexible depression bar (401) are all installed on the mount table, the sampling cup is listed as the center that is located core drill pipe (201).
8. The agricultural environment sampling device for soil detection of claim 1, wherein: elasticity open and shut door (4074) with the connection can be dismantled to rim of a cup (4075) of sampling cup, include along a plurality of radial shroudings and the collar that circumference evenly arranged, but radial shrouding is connected as an organic wholely through elasticity flexion and collar, radial shrouding is fan-shaped, radially stretches out towards the center under natural state and folds and seal together rim of a cup (4075), sampling trompil (202) upside is equipped with a plurality of L type spares, L type spare one end is connected the intraductal intracavity side lets L type spare radially inwards stretches out, and the other end upwards stretch out with radial shrouding is relative and can jack-up radial shrouding.
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